154243114 has 4 divisors (see below), whose sum is σ = 231364674. Its totient is φ = 77121556.

The previous prime is 154243097. The next prime is 154243123. The reversal of 154243114 is 411342451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 154132225 + 110889 = 12415^2 + 333^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38560777 + ... + 38560780.

Almost surely, 2^154243114 is an apocalyptic number.

154243114 is a deficient number, since it is larger than the sum of its proper divisors (77121560).

154243114 is an equidigital number, since it uses as much as digits as its factorization.

154243114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77121559.

The product of its digits is 1920, while the sum is 25.

The square root of 154243114 is about 12419.4651253587. The cubic root of 154243114 is about 536.2927528432.

Adding to 154243114 its reverse (411342451), we get a palindrome (565585565).

The spelling of 154243114 in words is "one hundred fifty-four million, two hundred forty-three thousand, one hundred fourteen".